Barrons Educational Series · HarperCollins
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Bottomley at the Cattery | 978-0-7641-0667-5 (0-7641-0667-8) | 1998 | Peter Harris |
| Monster in the Mirror | 978-0-00-675531-9 (0-00-675531-3) | 2000 | Jean Ure |